GLAS/ICESat L1A Global Altimetry Data
Entry ID: GLA01

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Summary
Abstract: The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice volume (mass balance) over time. Secondary objectives of GLAS are to measure sea ice roughness and thickness, cloud and atmospheric properties, land topography, vegetation canopy heights, ocean surface ... View entire text
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Geographic Coverage
Spatial coordinates   
  N: 86.0   S: -86.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Zwally, H., R. Schutz, C. Bentley, J. Bufton, T. Herring, J. Minster, J. Spinhirne, and R. Thomas.
Dataset Title: GLAS/ICESat L1A Global Altimetry Data
Dataset Release Date: 2011-08-11
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Version: 33
Online Resource: http://nsidc.org/data/gla01.html
Temporal Coverage
Start Date: 2003-02-20
Stop Date: 2009-10-11
Quality Browse products in PNG graphic format contain quality information; these are available along with corresponding data granules in the Data Pool or EOS Data Gateway. The i_FrameQF quality flag is set to '1' if there is a problem in calculating individual parameters, or the flag is set to '0' if there are no problems.
Data Set Progress
COMPLETE
Originating Center
Data Center
NSIDC Distributed Active Archive Center Supplemental Info
Data Center URL: http://nsidc.org/daac/index.html

Data Center Personnel
Name: NSIDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Distribution
Distribution Media: FTP
Distribution Size: 9 MB
Distribution Format: Binary
Personnel
Role: TECHNICAL CONTACT
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Publications/References
Bae, S. and B.E. Schutz. 2002. Precision attitude determination (PAD). GLAS algorithm theoretical basis document. Version 2.2. Austin, TX: Center for Space Research, University of Texas at Austin.

Brenner, A.C., C.R. Bentley, B.M. Csatho, D.J. Harding, M.A. Hofton, J. Minster, L. Roberts, J.L. Saba, R. Schutz, R.H. Thomas, D. Yi, and H.J. Zwally. 2000. Derivation of range and range ... View entire text
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2011-08-11
Last DIF Revision Date: 2013-07-25
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